#!/bin/bash

OLD_PWD=$PWD
timestamp=$(date '+%m%d%Y%H%M')

function finish {
    cd "$OLD_PWD" || exit;
}

trap finish EXIT

# From aaronjensen/dotfiles
DOTFILES=$( cd "$(dirname "${BASH_SOURCE[0]}")" && pwd || return)

cd "$DOTFILES/dotfiles" || exit;

find . -maxdepth 1 -type f -printf "%f\0" | while IFS= read -r -d $'\0' P; do
    target="${HOME}/${P}"
    backup="${HOME}/${P}.orig.${timestamp}"

    # skip existing links
    if [ -h "$target" ]; then continue; fi

    # move existing dir out of the way
    if [ -e "$target" ]; then
        if [ -e "$backup" ]; then
            echo "want to override $target but backup exists"
            continue;
        fi

        echo -n "Backup ${P}"
        mv -v "$target" "$backup"
    fi

    # create link
    ln -v -s "$PWD/$P" "$target"

    # ensure permissions
    chmod -R o-rwx,g-rwx "$target"
done

# shellcheck source=/dev/null
for f in "$DOTFILES/setup.d/"*.sh; do source "$f"; done
unset f;

(
    echo "for f in $DOTFILES/bash.d/*.sh; do source \"\$f\"; done"
    echo "unset f"
) >> ~/.bashrc